SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('fbd251175046d484e80b7ebcca5fb69f','0','3.141.30.211','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715884429','misc.php?action=imprint&sid=1742854ef75621e5d60e9cce1370abba','0','0','')
mysql error: Duplicate entry 'fbd251175046d484e80b7ebcca5fb69f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 16.05.2024 @ 20:33
Script: /misc.php?action=imprint&sid=1742854ef75621e5d60e9cce1370abba
Referer: